|What Caused the Ares I-X Parachute to Fail?|
Pull cord, deploy chute. Sounds simple, right? For the Ares I-X team the trick was in that "pull cord" step. After a thorough root cause analysis, NASA has pinpointed the likely culprit behind the Ares I-X parachute system anomaly -- an errant cord yank that caused one reefing line pyro charge to fire prematurely while still in the parachute pack. During the Ares I-X suborbital flight, the packed parachutes shook and shimmied inside the vehicle...
Keywords: ares I-x; ares rocket; parachute; constellation.nasa